687500996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{51047}}^1$

素因数の和:51108

約数の個数: 48

約数和(自身を含む): 1520822016

約数和(自身を除く): 833321020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 51047, 102094, 204188, 357329, 663611, 714658, 1327222, 1429316, 1888739, 2654444, 3777478, 4645277, 7554956, 9290554, 13221173, 18581108, 24553607, 26442346, 49107214, 52884692, 98214428, 171875249, 343750498, 687500996]

約数ペア:

[(1, 687500996), (2, 343750498), (4, 171875249), (7, 98214428), (13, 52884692), (14, 49107214), (26, 26442346), (28, 24553607), (37, 18581108), (52, 13221173), (74, 9290554), (91, 7554956), (148, 4645277), (182, 3777478), (259, 2654444), (364, 1888739), (481, 1429316), (518, 1327222), (962, 714658), (1036, 663611), (1924, 357329), (3367, 204188), (6734, 102094), (13468, 51047)]